package lab02.test37;

/**
 * Created by ASUS on 2017/11/21.
 */
public abstract class Student {

    String name;
    String type;
    double[] scores =new double[3];

    String grade;
    double average(){

        return (scores[0]+scores[1]+scores[2])/3;
    }
    abstract String calGrade();
}
